WMSIC Electronic Components

Infineon IRFR5305TRLPBF

ModelIRFR5305TRLPBF
PackageDPAK(TO-252AA)
BrandInfineon
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Infineon IRFR5305TRLPBF
Type
INFINEON
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
IRFR5305TRLPBF
Electronic Component
1
Package
DPAK(TO-252AA)
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.44g
Electronic Component
1
Electronic Component
BM0092124877
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
110W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
55V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

IRFR5305TRLPBF 产品概述

一、主要参数

  • 型号:IRFR5305TRLPBF
  • 品牌:Infineon(英飞凌)
  • 器件类型:P 沟道功率 MOSFET(场效应管)
  • 封装:DPAK (TO-252AA),表面贴装
  • 漏源耐压 Vdss:55 V
  • 连续漏极电流 Id:31 A(环境与散热条件依赖)
  • 导通电阻 RDS(on):65 mΩ @ |Vgs|=10 V,Id=16 A
  • 栅极电荷 Qg:63 nC(典型,总栅极电荷)
  • 输入电容 Ciss:1.2 nF
  • 反向传输电容 Crss:250 pF
  • 最大耗散功率 Pd:110 W(额定值,实际散热能力依赖 PCB 及散热条件)
  • 工作温度范围:-55 ℃ 至 +175 ℃
  • 数量:1 个 P 沟道器件

二、器件特性与性能解读

IRFR5305TRLPBF 为 55 V 等级的 P 沟道 MOSFET,适用于需要高侧开关或反向控制的场合。其导通电阻在 |Vgs|=10 V 条件下为 65 mΩ,表明在充分驱动下导通损耗较低,可胜任中大电流的开关或开关-导通混合工作状态。栅极电荷 Qg=63 nC 表明器件在开关时需较大的驱动能量,开关速度受限于驱动能力与栅极驱动电路设计;输入电容 Ciss=1.2 nF、Crss=250 pF 为设计驱动电路和评估开关损耗的重要参数。

连续漏极电流 31 A 为器件在良好散热条件下的额定能力,但实际应用中应根据 PCB 热阻、焊盘面积与环境温度重新评估器件结温(Tj)与允许电流。Pd=110 W 为器件在特定条件下的额定耗散,实际应参考完整数据手册并结合热阻参数计算。

三、热性能与封装说明

DPAK (TO-252AA) 为常见的功率 SMD 封装,便于自动贴装与回流焊工艺。该封装通过底部及焊盘向 PCB 传热,热阻受焊盘面积、过孔(vias)数量与散热铜箔面积影响显著。为充分发挥 Pd 与 Id 能力,建议:

  • 在 PCB 设计中提供足够的散热铜箔和多盏热导孔;
  • 在关键焊盘下方及周围增加铜厚与过孔,连通底层散热层;
  • 在高功率应用下进行仿真或实测验证结温上限。

四、典型应用场景

  • 汽车电子(高侧开关、负载开关、断开保护)
  • 电源管理(逆变、同步整流、DC-DC 变换器的高侧或低侧开关)
  • 电机驱动(作为保护或反向断路用开关)
  • 电池管理与保护电路(反极性保护、负载断开)
  • 工业控制中的功率切换与保护单元

五、设计与使用建议

  • 栅极驱动:作为 P 沟道 MOSFET,完全导通通常要求栅源电压达到约 -10 V(即 |Vgs|=10 V),驱动器需能提供相应电压摆幅与足够电流以迅速充放栅极电荷,降低开关损耗。
  • 开关损耗评估:根据 Qg、Ciss 与工作频率计算驱动能量损耗;在高频应用中,需权衡开关速度与 EMI、应力问题。
  • 过压与浪涌保护:Vdss=55 V,应用时须预留裕量,必要时并联 TVS 或其他抑制元件以防瞬态过压。
  • 并联使用:若需更低导通电阻,可考虑并联多个 MOSFET,但需注意电流分配、驱动同步与热应力集中。
  • PCB 布局:靠近功率回路布线,减少环路面积以降低 EMI;为热管理设计足够的铜厚和散热路径。

六、可靠性与焊接注意事项

  • DPAK 为回流焊兼容封装,推荐遵循制造商的回流温度曲线与焊接规范;
  • 器件为静电敏感(ESD),在搬运与测试过程中应采取防静电措施;
  • 长期高温工作会影响寿命与可靠性,应保证结温在器件允许范围内并考虑热循环应力。

总结:IRFR5305TRLPBF 在 55 V 电压等级下提供了中等导通阻抗与较高电流能力,适合高侧开关与各种功率管理应用。设计时需关注栅极驱动能量与散热布局,以在目标工作点实现最佳效率与可靠性。若需进一步的电气特性曲线、热阻值与封装尺寸图,请参考原厂完整数据手册。

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